Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 2 mA. 1 mA. 3 mA. 4 mA. 2 mA. 1 mA. 3 mA. 4 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The circuit in figure is used to measure the power consumed by the load. The current coil and the voltage coil of the wattmeter have 0.02 Ω and 1000 Ω resistance respectively. The measured power compared to the load power will be 0.4% less. 0.2% less. 0.4 more. 0.2% more. 0.4% less. 0.2% less. 0.4 more. 0.2% more. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The power factor of a single phase load can be calculated if the instruments available are One voltmeter and one ammeter One voltmeter, one ammeter and one wattmeter Any of the listed here One ammeter, one voltmeter and one energy meter One voltmeter and one ammeter One voltmeter, one ammeter and one wattmeter Any of the listed here One ammeter, one voltmeter and one energy meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument should be Either light or heavy Very light None of the listed here Very heavy Either light or heavy Very light None of the listed here Very heavy ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which meter is suitable for the measurement of 10mV at 50MHz? Moving iron voltmeter Moving coil voltmeter CRO VTVM Moving iron voltmeter Moving coil voltmeter CRO VTVM ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC Instrument can be used for AC work only DC work only None of the listed here Both AC and DC AC work only DC work only None of the listed here Both AC and DC ANSWER DOWNLOAD EXAMIANS APP
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